isCollection()

True if maybeCollection is a Collection, or any of its subclasses.

Method signature

isCollection(maybeCollection: unknown): boolean;
import { isCollection, Map, List, Stack } from 'immutable';

isCollection([]); // false
isCollection({}); // false
isCollection(Map()); // true
isCollection(List()); // true
isCollection(Stack()); // true
;